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HistoryNov 28, 2021 - 7:12 p.m.

[SECURITY] [DLA 2831-1] libntlm security update

2021-11-2819:12:10
lists.debian.org
27
libntlm
security update
debian 9 stretch
buffer over-reads
ntlm authentication
cve-2019-17455
security tracker
debian lts

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.6

Confidence

High

EPSS

0.006

Percentile

79.1%


Debian LTS Advisory DLA-2831-1 [email protected]
https://www.debian.org/lts/security/ Adrian Bunk
November 28, 2021 https://wiki.debian.org/LTS


Package : libntlm
Version : 1.4-8+deb9u1
CVE ID : CVE-2019-17455
Debian Bug : 942145

Stack-based buffer over-reads for crafted NTLM requests were fixed in
libntlm, a library that implements Microsoft's NTLM authentication.

For Debian 9 stretch, this problem has been fixed in version
1.4-8+deb9u1.

We recommend that you upgrade your libntlm packages.

For the detailed security status of libntlm please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libntlm

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.6

Confidence

High

EPSS

0.006

Percentile

79.1%